College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.8 - One-to-One Functions and their Inverses - 2.8 Exercises: 8

Answer

f is one to one

Work Step by Step

Use the horizontal line test. Wherever you draw the horizontal line, the line only passes through one point. It passes the test, therefore f is one to one
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